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Type: Task
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Resolution: Won't Do
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Priority: Major - P3
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Affects Version/s: None
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Component/s: None
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120
$setUnion and associated functions currently return ArraySet in sbe. This can result in issues when they are provided as arguments to window stage/group stage with comparison being involved (like $max) since two ArraySets are not comparable. Its probably better to just return Array just like it is done in classic engine.